to negotiate again with Zhu Di to delay the attack while calling for help from other provinces. The nearby provinces of Suzhou, Ningbo, and Huizhou all dispatched an army to protect the imperial capital. On 22 May, Zhu Di rejected the negotiation for armistice. On 1 June, the Yan forces were about to cross the Yangtze River, but was met with firm resistance from Sheng Yong. After suffering a few setbacks, Zhu Di was considering whether to accept the peace offer and withdraw back to the north. Zhu Gaoxu arrived with reinforcement in a decisive moment and crushed the forces of Sheng Yong. During the preparation for river crossing, the Yan forces obtained several warships from the government navy. The Yan forces crossed the Yangtze River from Guazhou on 3 June, and Sheng Yong was once again defeated. On 6 June, Zhenjiang fell to the Yan forces. By 8 June, the Yan forces advanced to 30 km east of Nanjing. The imperial court was in a state of panic, and the Jianwen Emperor frantically dispatched several envoys in hopes to negotiate for armistice. Zhu Di rejected the notion and the Yan forces marched toward the imperial capital. Nanjing was effectively isolated by 12 June. All messengers dispatched to other provinces were intercepted by the Yan forces, and no reinforcement was in sight for the imperial capital. On 13 July 1402, the Yan forces arrived in Nanjing. The city defenders decided to open up the city gate and surrender without resistance. With the fall of Nanjing to the Prince of Yan Army, the Jingnan Campaign had drawn to an end. Aftermath As the Yan forces marched into Nanjing, Jianwen Emperor set the imperial palace on fire in despair. While the body of Empress Ma was located afterwards, the body of Jianwen Emperor had vanished and was never found. The emperor was alleged to have escaped through the tunnels and went into hiding. Zhu Di decided to go on and hold an imperial funeral for the emperor to imply his death to the general public. On 17 June, Zhu Di was crowned at the imperial palace and became the Yongle Emperor. All of the Jianwen policies were reversed to the original policies set during the reign of Hongwu Emperor. On 25 June, Qi Tai, Huang Zicheng and Fang Xiaoru were all executed, and their families exterminated. Various other imperial advisors to the